The heavy snow and winter cold adding up to a travel nightmare for millions of americans makinging their way home from the holidays. Frustrated flyers stranded at terminals across the country. LINZIE JANIS IS at LaGuardia. I just got -- Reporter: Good morning, robin. I just got fantastic news from college kids I met here on thursday night. They spent four nights at LaGUARDIA. They just got on a plane to go home to los angeles. This airport starting to clear out pip saw dozens of people sleeping on the floor when i arrived this morning. Here's where we are this morning. Already at this hour, 2500 cancellations on the boards today. 476 delays. That means we have had over 13,000 flights canceled since this storm started and over 30,000 delays. Jet blue has warned it could take days, not hours, to get people where they're going. The best advice this morning, robin, if you don't have to fly, don't. Rebook. Because a lot of the airlines are waiving the change fees. They are. Thank you, linzie. We saw the dire consequences.

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